Cover for an engine



FIG. 1 is a front perspective view from above of the claimed design;

FIG. 2 is a rear perspective view from above of the claimed design of FIG. 1;

FIG. 3 is a top view of the claimed design of FIG. 1;

FIG. 4 is a front view of the claimed design of FIG. 1;

FIG. 5 is a left side view of the claimed design of FIG. 1;

FIG. 6 is a right side view of the claimed design of FIG. 1; and,

FIG. 7 is a rear side view of the claimed design of FIG. 1.

The broken lines in the drawings are for illustrative purposes only and depict environmental structure that forms no part of the claimed design. 

I claim the ornamental design for a cover for an engine, as shown and described. 